Set up only the whole-width tiles—leave the trimming of partial tiles until the end. When the 1st row is full, Look at it for amount using a carpenter's level, then start off the second row of tiles, taking care to offset the vertical grout joints by specifically 1-half the tile https://commercial-pendant-lighti80245.blog-ezine.com/35715797/helping-the-others-realize-the-advantages-of-grouting-and-sealing